Thioacetic acid

• Formula: C₂H₄OS
• Molecular weight: 76.118
• IUPAC Standard InChI: InChI=1S/C2H4OS/c1-2(3)4/h1H3,(H,3,4) Copy

  
• IUPAC Standard InChIKey: DUYAAUVXQSMXQP-UHFFFAOYSA-N Copy
• CAS Registry Number: 507-09-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Methanecarbothiolic acid; Thioacetic S-acid; Ethanethioic acid; Acetyl mercaptan; Ethanethiolic acid; Thiacetic acid; Thiolacetic acid; Thionoacetic acid; CH3COSH; Kyselina thiooctova; UN 2436; USAF EK-P-737; Acetic acid, thio-
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₂H₄OS⁺ (ion structure unspecified)

Ionization energy determinations

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]

Nagata, Yamabe, et al., 1975
Nagata, S.; Yamabe, T.; Fukui, K., A study of the electronic spectra of thioacetic acid and its ethyl ester, J. Phys. Chem., 1975, 79, 2335. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  ΔvapH

  Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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